Billions of years ago, Earth was an extremely hostile planet with active volcanoes, a harsh atmosphere, and no life. This prebiotic Earth, however, was filled with a wide array of abiotic organic ...
Evidence is mounting that the same basic chemistry that made Earth habitable is unfolding, or once unfolded, on Mars. From complex organics to minerals linked with microbial activity, the Red Planet ...
Chemists at UCL and the MRC Laboratory of Molecular Biology have demonstrated how RNA (ribonucleic acid) might have replicated itself on early Earth—a key process in the origin of life. Scientists ...
In a groundbreaking experiment in the early 1950s, a scientist tried to re-create the conditions of early Earth in a test tube. Stanley Miller added a few simple ingredients thought to be swirling in ...
NASA's Perseverance rover has found complex, ring-shaped carbon molecules sealed inside rocks in Mars's Jezero Crater, a ...
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A meteorite that crashed into a New Jersey home carried ancient salts, organic molecules, and evidence of water on its parent ...
Brightly colored illustration showing Earth cut in half to reveal distinct interior layers. The nature of Earth's interior has long fascinated scientists. Credit: Johan Swanepoel/Science Source ...
A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Credit: E. Cottrell, ...
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